The Keystone Heddolf P220-1KA garage door opener remote control transmitter from Garage Door Supply Company is an Allstar-compatible 318 MHz remote that also works with Pulsar and Allister brand garage good operator radio receivers. The P220-1KA Keystone Heddolf remote is compatible with all Allstar, Allister and Pulsar radio receivers with nine trinary code (nine three-position dip switches) dip switches. This Keystone Heddolf garage door opener remote replaces these remotes: the Allstar 9331T and 9931MT; the GTO RB741, RB742 and RB743; the Firefly 318ALD31K; and the Stinger 318ALD31V.Product Highlights: